9.1.1 Define oxidation and reduction in terms of electron loss and gain. (1) 9.1.2 Deduce the oxidation number of an element in a compound. (3) 9.1.3 State the names of compounds using oxidation numbers. (1) 9.1.4 Deduce whether an element undergoes oxidation or reduction in reactions using oxidation numbers. (3)
9.2.1 Deduce simple oxidation and reduction half-equations given the species involved in a redox reaction. (3) 9.2.2 Deduce redox equations using half equations. (3) 9.2.3 Define the terms oxidizing agent and reducing agent. (1) 9.2.4 Identify the oxidizing and reducing agents in redox equations. (2)
9.3.1 Deduce a reactivity series based on the chemical behavior of a group of oxidizing and reducing agents. (3) 9.3.2 Deduce the feasibility of a redox reaction from a given reactivity series. (3)
9.4.1 Explain how a redox reaction is used to produce electricity in a voltaic cell. (3) 9.4.2 State that oxidation occurs at the negative electrode (anode) and reduction occurs at the positive electrode (cathode). (1)
9.5.1 Describe, using a diagram, the essential components of an electrolytic cell. (2) 9.5.2 State that oxidation occurs at the positive electrode (anode) and reduction occurs at the negative electrode (cathode). (1) 9.5.3 Describe how current is conducted in an electrolytic cell. (2) 9.5.4 Deduce the products of the electrolysis of a molten salt. (3)
Topic 19: Oxidation and reduction (5 hours) 19.1 Standard electrode potentials - 3 hours
19.1.1 Describe the standard hydrogen electrode. (2) 19.1.2 Define the term standard electrode potential (E ) Ö . (1) 19.1.3 Calculate cell potentials using standard electrode potentials. (2) 19.1.4 Predict whether a reaction will be spontaneous using standard electrode potential values. (3)
19.2.1 Predict and explain the products of electrolysis of aqueous solutions. (3) 19.2.2 Determine the relative amounts of the products formed during electrolysis. (3) 19.2.3 Describe the use of electrolysis in electroplating.
Topic 09/19 Resources: Activity Series Flash
Khan Academy Videos:
Introduction to Oxidation States:
Topic 9: Oxidation and reduction (7 hours)
9.1 Introduction to oxidation and reduction - 2 hours
9.1.2 Deduce the oxidation number of an element in a compound. (3)
9.1.3 State the names of compounds using oxidation numbers. (1)
9.1.4 Deduce whether an element undergoes oxidation or reduction in reactions using oxidation numbers. (3)
9.2 Redox equations - 1 hour
9.2.2 Deduce redox equations using half equations. (3)
9.2.3 Define the terms oxidizing agent and reducing agent. (1)
9.2.4 Identify the oxidizing and reducing agents in redox equations. (2)
9.3 Reactivity - 1 hour
9.3.2 Deduce the feasibility of a redox reaction from a given reactivity series. (3)
9.4 Voltaic cells - 1 hour
9.4.2 State that oxidation occurs at the negative electrode (anode) and reduction occurs at the positive
electrode (cathode). (1)
9.5 Electrolytic cells - 2 hours
9.5.2 State that oxidation occurs at the positive electrode (anode) and reduction occurs at the negative
electrode (cathode). (1)
9.5.3 Describe how current is conducted in an electrolytic cell. (2)
9.5.4 Deduce the products of the electrolysis of a molten salt. (3)
Topic 19: Oxidation and reduction (5 hours)
19.1 Standard electrode potentials - 3 hours
19.1.2 Define the term standard electrode potential (E ) Ö . (1)
19.1.3 Calculate cell potentials using standard electrode potentials. (2)
19.1.4 Predict whether a reaction will be spontaneous using standard electrode potential values. (3)
19.2 Electrolysis - 2 hours
19.2.2 Determine the relative amounts of the products formed during electrolysis. (3)
19.2.3 Describe the use of electrolysis in electroplating.
Topic 09/19 Resources:
Activity Series Flash
Khan Academy Videos:
Introduction to Oxidation States:
Redox Reactions:
Cells: